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| Criterion |  Architecture C4 Model |  Architecture arc42 |  UX Research Tree Testing |  UX Research First-click Testing |
|---|---|---|---|---|
Purposedifferent | The C4 Model makes a system legible across several resolution levels, from context down to code. It suits situations where different audiences need to understand the same architecture from different altitudes. | arc42 structures architecture knowledge so teams can document system, decisions, and risks consistently. The template builds a living understanding of the architecture instead of scattered notes. | When a navigation exists but search paths still fail, tree testing checks findability without visual distraction. The method shows whether labels, levels, and paths really lead to the intended destination. | When users immediately turn the wrong way on a screen or wireframe, first click testing checks initial orientation at high speed. The first click shows early whether expectation, labeling, and wayfinding fit together. |
Complexitydifferent | Low | Low | Medium | Low |
Timedifferent | 1-4 h | 1-2 Tage | 1-2 Tage | 1-2 Tage |
Participantsdifferent | 1-5 | 1-4 | Based on research question | 10-30 |
Formatdifferent | Workshop + async | Workshop + async | Async | Async |
Outputdifferent | Context Diagram, Container Diagram, Component Diagram | Architecture Document, Context View, Runtime View, Deployment View | Findability Metrics, Path Analysis, Revised IA | Click Heatmap, Success Rate, Design Recommendations |
Tagsno overlap | ArchitectureCommunicationVisualization | ArchitectureDocumentationCommunication | Information architectureNavigationFindability | UXNavigationFindabilityValidation |